CVE-2025-55018

An inconsistent interpretation of http requests 'http request smuggling' vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

Vulnerabilities fixed in Fortinet FortiOS

Fortinet has fixed vulnerabilities in FortiOS Versions 7.0 to 7.6.4, 7.4.0 to 7.4.9, and 7.2.0 to 7.2.11. The vulnerabilities include an Authentication Bypass that allows unauthenticated attackers to bypass LDAP authentication for Agentless VPN or FSSO policies, depending on specific configuratio...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

CVE-2025-68686

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypas...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-68686

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypas...

CVE-2025-62439

An Improper Verification of Source of a Communication Channel vulnerability CWE-940 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations t...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-55018

An inconsistent interpretation of http requests 'http request smuggling' vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request...

CVE-2025-55018

An inconsistent interpretation of http requests 'http request smuggling' vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request...

CVE-2025-62439

An Improper Verification of Source of a Communication Channel vulnerability CWE-940 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations t...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-62439

An Improper Verification of Source of a Communication Channel vulnerability CWE-940 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations t...

CVE-2025-62439

CVE-2025-62439 : Fortinet FortiOS contains an vulnerability titled “Improper Verification of Source of a Communication Channel” (CWE-940). Affected products/versions are FortiOS 7.6.0–7.6.4, 7.4.0–7.4.9, and all 7.2 and 7.0 releases. Affected condition: an authenticated user with knowledge of FSS...

CVE-2025-55018

Fortinet FortiOS contains an HTTP request smuggling vulnerability (CVE-2025-55018) due to inconsistent interpretation of http requests. Affects FortiOS: 7.6.0; 7.4.0–7.4.9; 7.2 all versions; 7.0 all versions; 6.4.3–6.4.16. Exploitation could allow an unauthenticated attacker to smuggle an unlogge...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

CVE-2025-64157

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration...

CVE-2025-68686

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypas...